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EleoNora [17]
3 years ago
7

Maria thinks the two expressions 2(3a-2) + 4a and 10a - 2 are equivalent. Is she correct? Explain your reasoning.

Mathematics
1 answer:
kobusy [5.1K]3 years ago
4 0

Answer:

yes they are both equal

Step-by-step explanation:

they are both equal because 2(3a-2)+4a simplified is 10a-2 because if you combine like terms you will have this result!

hope i was clear

have a good day! c:

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gulaghasi [49]

Answer:

1) (2x + 2)(x + 2)

2)  2(x + 1)(x - 1)

3) (x^2 + 3)(x^2 - 3)

4) 2x(x + 5)(x - 2)

5) (5x + 2y)(5x - 2y)

Step-by-step explanation:

1)

2x^2 + 6x + 4

= 2x^2 + 4x + 2x + 4

= 2x(x + 2) + 2(x + 2)

= (2x + 2)(x + 2)

2)

2x^2 - 2

= 2(x^ 2 - 1) (The difference of two squares)

= 2(x + 1)(x - 1)

3)

x^4 - 9 (The difference of two squares)

=(x^2 + 3)(x^2 - 3)

4)

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= 2x(x^2 + 3x - 10)

= 2x(x + 5)(x - 2)

5)

25x^2 - 4y^2         (The difference of two squares)

= (5x + 2y)(5x - 2y)

4 0
3 years ago
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mamaluj [8]
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To check this

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Answer:

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Step-by-step explanation:

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6 0
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katen-ka-za [31]

Answer:

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Step-by-step explanation:

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8 0
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